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 <h1 class="title">UnitEnum 接口</h1>
 

 <div class="partintro"><p class="verinfo">(PHP 8 &gt;= 8.1.0)</p>


  <div class="section" id="unitenum.intro">
   <h2 class="title">简介</h2>
   <p class="para">
    引擎会自动应用 <span class="classname"><strong class="classname">UnitEnum</strong></span> 接口到所有枚举。
    用户自定义类不能实现该接口。
    由于引擎已提供枚举的默认实现，因此不能重载它的接口。
    主要将它用于类型检测。
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   <h2 class="title">接口摘要</h2>


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     <span class="oointerface">
      <span class="modifier">interface</span> <strong class="interfacename">UnitEnum</strong></span> {</div>
    
    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 方法 */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><a href="unitenum.cases.html" class="methodname">cases</a></span>(): <span class="type">array</span></div>

   }</div>


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<h2>目录</h2><ul class="chunklist chunklist_reference"><li><a href="unitenum.cases.html">UnitEnum::cases</a> — 生成枚举的条目清单</li></ul>
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